Classifications

• • C—CHEMISTRY; METALLURGY
  • C07—ORGANIC CHEMISTRY
  • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
  • C07C215/00—Compounds containing amino and hydroxy groups bound to the same carbon skeleton
  • C07C215/46—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton
  • C07C215/56—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains further substituted by hydroxy groups
  • C07C215/58—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains further substituted by hydroxy groups with hydroxy groups and the six-membered aromatic ring, or the condensed ring system containing that ring, bound to the same carbon atom of the carbon chain
  • C07C215/60—Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups bound to carbon atoms of at least one six-membered aromatic ring and amino groups bound to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings of the same carbon skeleton with amino groups linked to the six-membered aromatic ring, or to the condensed ring system containing that ring, by carbon chains further substituted by hydroxy groups with hydroxy groups and the six-membered aromatic ring, or the condensed ring system containing that ring, bound to the same carbon atom of the carbon chain the chain having two carbon atoms between the amino groups and the six-membered aromatic ring or the condensed ring system containing that ring

Definitions

• the phenolic OH groups and the two secondary amino groups can conveniently be protected by means of the benzyl group which is in many cases split off simultaneously with the hydrogenation of the alkanone to the alkanol. When this does not happen, the benzyl groups are removed by a further hydrogenation.
• salts of this kind which are derived from non-toxic acids, are, for instance, the bromides, chlorides, sulphates,
• x is an integer form 4 to 12, and salts of these derivatives with non-toxic acids.
• the compounds of this invention have a positive inotropic and chronotropic effect on the heart and also a 'broncholytic action, such properties corresponding qualitatively to the known 1-(3,4 dioxyphenyl) 2 isopropyl aminoethanol-(l), but which differ therefrom quantitatively in that their action is actually somewhat weaker, but more lasting. This is particularly the case with the compounds of Formula I which have a short chain.
• experiments performed in the Rossler-Konzett bronchial spasm test (Arch. exper. Path. Pharmacol. 195, 71 (1940) using N,N'-bis-2-(3',4 dihydroxyphenyl) 2- hydroxyethyl hexamethylene diamine dichlorohydrate having a toxicity of 38.5 mg./kg.
• the lasting action of the compounds of Formula I therefore makes them particularly suitable for combating certain disturbances of the heart beat and for treating spastic conditions of the air passages.
• the compounds of Formula I can also be administered orally, which is a great advantage.
• the invention also .provides a process for preparing a compound having Formula I which comprises reducing a bis-alkanone amine derivative having the formula:
• the compounds of the general Formula I have two identical optically active carbon atoms there exists a racemic form and a mesoform.
• the racemate can be separated into the optically opposite form in a conventional manner, for instance, via the salts of optically active acids.
• the compounds of Formula II used as the starting material can be prepared by reacting 2 moles of 3,4-diOXY-wchloroacetophenone, which if necessary can have both OH groups protected with a polymethylene diamine in which a hydrogen atom is protected by an easily splittable radical in each of the amino groups.
• the resulting hydrogen halide is captured by one mole of polymet-hylene diamine present in excess.
• EXAMPLE 1 1.8 g. of N,N'-bis-2-(3',4'-dihydroxyphenyl) 2 oxoethyl-tetramethylenediamine-dichlorohydrate were hydrogenated, by means of 0.6 g. of 10% palladium-carbon at 42 C. with hydrogen at normal pressure in a mixture of cc. of methanol and 20 cc. of water. The compound dissolved completely only during the hydrogenation. The theoretically expected quantity of hydrogen was absorbed after 3 hours and the hydrogenation came to a stop. The palladium-carbon :was removed by suction, the solution was concentrated and the residue was crystallized with absolute ether. After removal of the catalyst the product was washed with absolute ether.
• N,N'-bis-[2-(3',4'-dihydroxyphenyl)-2 oxoethyl]- tetramethylenediamine-dichlorohydrate used as the starting material was prepared as follows:
• N,N'-dibenzyl compound was first prepared by the prolonged boiling (10 hours) of 2 moles of chloraceto pyrocatechin with 2 moles of N,-N-dibenzyl tetramethylene diamine in boiling acetone, approximately the theoretical quantity of N,N'-benzyl tetramethylene diamine being precipitated and separated from the acetone solution in the form of dichlorohydr'ate.
• the acetone so- 0 lution contained the required N,N'-dibenzyl-N,N'-bis-[2- (3',4-dihydroxyphenyl)-2 oxoethyl] tetramethylene .cliamine.
• the benzyl radicals were then dehydrated from the crude product in a chloride methanol solution with a pH of approximately 1, the N,N-bis-[2-(3,4-dihydroxyphenyl)-2-oxoethyl] tetramethylene diamine dichlorohydrate being precipitated in more than 50% yield on the catalyst (10% palladium-carbon) and purified by boiling out with water and crystallization in cold conditions.
• the substance was dried at 80 C. in vacuo. Melting point: from 245 C. onwards decomposition.
• N,N-bis-[2-(3',4'-dihydroxyphenyl)-2-hydroxyethyl]-octamethylene diamine dichlorohydrate (melting point 211 to 212 C.) was obtained by the hydrogen action of N,N-bis-[2-(3',4',-dihydroxyphenyl)-2-oxoethyl) -octamethylene diamine dichlorohydrate.
• N,N'-bis-[2-(3',4,-dihydroxyphenyl)-2-hydroxyethyl]-decamethylenediamine dichlorohydrate (melting point 183184 C.) was obtained by the hydrogenation of N,N'-bis-[2-(3',4-dihydroxyphenyl) -2-oxoethyl] -decamethylenediamine-dichlorohydrate.
• EXAMPLE 2 5 g. of N,N'-dibenzy1-N,N-bis-[2-(3',4'-dihydroxyphenyl)-2-oxoethyl]-hexarnethylenediamine dichlorohydrate as a monohydrate were hydrogenated under considerable agitation, by means of 2.0 g. of palladium-carbon, with hydrogen in a mixture of 270 cc. of methanol and 50 cc. of water at 45 C. and normal pressure. After about 4 hours the theoretical quantity of hydrogen (4 moles of hydrogen per 1 mole of substance) was absorbed for the splitting 01f of the two benzyl radicals and the reduction of the two carbonyl groups to carbinol groups, and the hydrogenation came to a stop.
• N,N'-dibenzyl-N,N bis-[2-(3',4-dihydroxyphenyl) -2-oxoethyl] -hexamethylene diamine-dichlorohydratemonohydrate used as the starting material was prepared as follows:
• N,N'-bis-[2 (3',4-dihydroxypheny1)-2-hydroxyethyl]- hexamethylene-diamine-dibromohydrate (melting point 183 to 185 C.) is obtained in a similar manner.
• Free N,N'-bis- [2-(3,4 dihydroxyphenyl)-2-hydroxyethyl]-heXamethylene-diamine can be separated from these salts by the addition of the equivalent quantity of caustic alkali solution. It has a melting point of 162 to 165 C. and contains half a mole of water of crystallization.
• N,N'-bis-[2-(3,4' dihydroxyphenyl)-2 -hydroxyethyl]-hexamethylene-diamine-sulphate (melting point 222 to 228 C.) can be obtained by reacting the base with the equivalent quantity of sulphuric acid in an alcohol solution, followed by concentration and precipitation from water-alcohol solution.
• EXAMPLE 3 3 g. of N'N-bis-[2-(3,4'-dihydroxyphenyl)-2-oxoethyl]-dodecamethylene-diamine-dichlorohydrate were hydrogenated, by means of 1.5 g. of 10% palladium-carbon in cc. of methanol, with hydrogen at normal pressure until hydrogen absorption terminated. After the removal of the palladium-carbon the filtrate was concentrated until dry and triturated with absolute ether. The'yield of N,N'- bis-[2-(3',4 dihydroxyphenyl)-2rhydroxyethyl]-dodecamethylene-diamine-dichlorohydrate was 2.6 g., i.e. 86% of the theoretical value. Melting point 142 to 1445 C. When precipitated from ethanol-acetone the melting point of the analytically pure product rises to 146 to 147.5 C.
• N,N-bis- [2- (3 ',4-dihydroxyphenyl) -2-loxoethyl] dodecamethylene-diamine-dichlorohydrate used as starting material was prepared in a manner similar to that described in Example 1. It has a melting point of 216 to 220 C. (decomposition).
• N,N'-bis [2- 3 ,4'-dihydroxyphenyl -2-hydroxyethyl] heptamethylene-diamine-dichlorohydrate was obtained in the form of an amorphous powder by hydrogenating N, N'-bis-[2-(3',4'-dihydroxyphenyl) 2-oxoethyl] -heptamethylene-diarnine-dichlorohydrate (melting point 238 C.).
• NN'-bis- [2- 3',4 dihydroxyphenyl) -2-l1ydroxyethyl] pentamethylene-diamine-dichlorohydrate was obtained in the form of an amorphous powder by hydrogenating N, N bis-[2 (3',4-dihydroxyphenyl) 2-oxoethyl] pentamethylene-diamine-dichlorohydrate (melting point 250 C.).

Landscapes

• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
• Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=3566997

Family Applications (1)

Country Status (10)

Cited By (11)

Families Citing this family (4)

Citations (1)

• 0
  • NL NL130078D patent/NL130078C/xx active
• 1963
  • 1963-06-11 AT AT467863A patent/AT241436B/de active
• 1964
  • 1964-05-25 DK DK258764AA patent/DK109897C/da active
  • 1964-05-27 FR FR976012A patent/FR3427M/fr active Active
  • 1964-05-28 FI FI1158/64A patent/FI42095B/fi active
  • 1964-05-29 CH CH703564A patent/CH451200A/de unknown
  • 1964-06-04 GB GB23295/64A patent/GB1048199A/en not_active Expired
  • 1964-06-04 NL NL6406296A patent/NL6406296A/xx unknown
  • 1964-06-05 US US373051A patent/US3329709A/en not_active Expired - Lifetime
  • 1964-06-10 BE BE649087A patent/BE649087A/xx unknown
  • 1964-06-11 SE SE7132/64A patent/SE316193B/xx unknown

Patent Citations (1)

Also Published As

Similar Documents